Petrol engines 1.2 liter (D4F) Renault Logan 2

General information about the 1.2L gasoline engine
Engine identification data The engine identification plate is located on the cylinder block under the intake manifold. Identification plate: 1. Engine type. 2. Engine approval letter. 3. Engine suffix. 4. Index of the...

Preparation for repair
Note: All work on the engine must only be carried out by qualified personnel. When carrying out repairs on a vehicle, the basic safety rules must be observed. The quality of the repair depends primarily on the care with...

Compression test
Note: Use a compression tester for petrol engines. Compressometer must be equipped with a universal tip (rubber) or a ¼ pipe thread adapter. Follow the instructions for use provided with the compression tester by the...

Engine attachments
Attachment drive belts Replacing Attachment Drive Belts Attention: Wear protective gloves when performing work. To avoid damage to the crankshaft pulley, do not start the engine with the attachment drive belts removed....

Removal and installation of the compressor of the conditioner
Caution: Take precautions when handling refrigerant (see chapter " Air conditioning system "). Note: To remove the air conditioning compressor, a special station is needed to empty and recharge the air conditioning...

Removal and installation of the power steering pump
1. Place the vehicle on a two post lift. 2. Disconnect the negative battery terminal. 3. Remove the front right wheel from the vehicle. 4. Remove the brake caliper and hang it on the car body with a wire (see chapter "...

Removal and installation of a multipurpose support of the engine
Removing 1. Place the vehicle on a two post lift. 2. Disconnect the negative battery terminal. 3. Remove the generator from the engine. 4. Loosen the screws (1) fixing the multifunctional support. 5. Remove the...

Removal and installation of the power unit assembly
1. Cylinder head mounting support. 2. Front side spar. 3. Engine with gearbox assembly. 4. Front side spar. 5. Gearbox support. 6. Jet thrust of the engine. 7. Rear elastic engine mount. Attention: Use protective gloves...

Repair of the engine removed from the car
Installing the engine on the assembly stand Attention: It is strictly forbidden to apply any pressure to the engine oil pan. Damage to the sump can also cause various damage to the engine itself due to: blocking the oil...

Gas distribution mechanism drive
Removing the timing belt Attention: Do not turn the engine crankshaft against the normal direction of rotation. 1. Place the vehicle on a two post lift. 2. Disconnect the negative battery terminal. 3. Remove the front...

Valve clearance adjustment
1. Place the vehicle on a two post lift. 2. Disconnect the negative battery terminal. 3. Remove the engine protection tray. 4. Remove the front wheels from the vehicle. 5. Remove the front fenders from the car. 6....

Rocker cover — removal and installation
Removing 1. Disconnect the negative battery terminal. 2. Remove the air filter unit (see chapter " Intake and exhaust system "). 3. Remove intake manifold (see chapter " Intake and exhaust system "). 4. Remove ignition...

Removing the cylinder head
1. Place the vehicle on a two post lift. 2. Disconnect the negative battery terminal. 3. Remove the engine protection tray. 4. Drain engine coolant (see chapter " Cooling system "). 5. Remove the front right wheel. 6....

Dismantling of a head of the block of cylinders
Attention: It is strictly forbidden to supply compressed air to the engine oil pan. Damage to the sump can also cause various damage to the engine itself due to: blocking the oil intake; increasing the engine oil level...

Cleaning the cylinder head
Attention: Do not scratch the aluminum contact surfaces, any damage to the contact surfaces may cause leakage. Use safety goggles with side protection and sealed gloves (nitrile type). Do not allow cleaning agent to...

Checking the technical condition of the cylinder head
Attention: It is strictly forbidden to supply compressed air to the engine oil pan. Damage to the sump can also cause various damage to the engine itself due to: blocking the oil intake; increasing the engine oil level...

Cylinder head assembly
1. Clean the cylinder head, valves, valve springs, valve plates, crackers and valve guides. Attention: Be sure to replace the valve stem seals with new ones after each removal. 2. Install valve stem seals: Attention:...

Installing the cylinder head
Attention: Do not scratch the aluminum contact surfaces, any damage to the contact surfaces may cause leakage. Use safety goggles with side protection and sealed gloves (nitrile type). 1. Clean the contact surfaces with...

Cylinder block and crank mechanism
Pistons and connecting rods Removing pistons with connecting rods Attention: It is strictly forbidden to apply any pressure to the engine oil pan. Damage to the sump can also cause various damage to the engine itself...

Crankshaft
Removing the crankshaft 1. Remove the pistons with connecting rods from the engine (see section above). 2. Loosen the mounting bolts (1) and remove the crankshaft thrust plate (2). 3. Make sure that the marks made on...

Cylinder block
Dismantling of the block of cylinders 1. Remove the power unit assembly (engine with gearbox) from the car. 2. Disconnect the gearbox from the engine (see chapter " Transmission "). 3. Remove the attachment drive belt....